The products have an establishment number on the back of the package next to the "Best if used by" date: "EST. 13556."

Tyson Foods says the plastic material found in the products ranged in size from 21 mm in length and 6.5 mm in diameter and could be from a hard plastic rod that is used to connect a plastic transfer belt.

No injuries have been reported.

Consumers are being urged not to consume these products if they have them, and instead should return the products to the store or throw them away.